Home / 577,409,619.80-866,114,429.70-189,138,825.20

Finding the Fourth Proportional to 577,409,619.80, 866,114,429.70 and 189,138,825.20

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Solution

The fourth proportional to 577,409,619.80, 866,114,429.70 and 189,138,825.20 is: 283,708,237.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,409,619.80 : 866,114,429.70 = 189,138,825.20 : x
  2. Step 2: Convert to fraction form
    577,409,619.80/866,114,429.70 = 189,138,825.20/x
  3. Step 3: Cross multiply
    577,409,619.80x = 866,114,429.70 × 189,138,825.20
  4. Step 4: Simplify right side
    577,409,619.80x = 163,815,865,722,225,984
  5. Step 5: Solve for x
    x = 163,815,865,722,225,984/577,409,619.80
  6. Step 6: Final answer
    x = 283,708,237.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.